CVE-2019-14865
grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable
Severity Score
Exploit Likelihood
Affected Versions
2Public Exploits
0Exploited in Wild
-Decision
Descriptions
A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
Se encontró un fallo en la utilidad grub2-set-bootflag de grub2. Un atacante local podría ejecutar esta utilidad bajo la presión de recursos (por ejemplo, configurando RLIMIT), causando que archivos de configuración de grub2 sean truncados y dejando el sistema no reiniciable en los reinicios posteriores.
The grub2 packages provide version 2 of the Grand Unified Boot Loader, a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-08-10 CVE Reserved
- 2019-11-29 CVE Published
- 2025-02-13 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-267: Privilege Defined With Unsafe Actions
CAPEC
References (6)
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| http://www.openwall.com/lists/oss-security/202... |
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| https://bugzilla.redhat.com/show_bug.cgi?id=CV... | Issue Tracking | |
| https://seclists.org/oss-sec/2019/q4/101 | Mailing List |
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